Troubleshooting - Epson GT-9000 Service Manual

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Chapter 5 Troubleshooting
Table of Contents
5.1 OVERVIEW
5.2 SELF-DIAGNOSTIC FUNCTION

5.3 TROUBLESHOOTING

Troubleshooting Abnormal Operations . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
5.3.1
5.4 REPAIR OF THE POWER SUPPLY BOARD
5.5 REPAIR OF THE MAIN CONTROL BOARD
Motor Coil Resistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-1.
Table 5-2.
Sensor Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-3.
Error Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-4.
Symptoms and Reference Table. . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-5.
OPERATE LED Does Not Light. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-6.
Unit Does Not Initialize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-7.
Carriage Does Not Move. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-8.
Carriage MovesandCrashes into Frame . . . . . . . . . . . . . . . . . . . .
Lamps Do Not Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-9.
Table 5-10.
Lamps Light before the Error is Displayed. . . . . . . . . . . . . . . . . . .
Image Unclear.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-11.
Interface Error (Parallel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-12.
Table 5-13.
Interface Error (SCSI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-14.
Repair of the Power Supply Board . . . . . . . . . . . . . . . . . . . . . . . .
Repair of the Main Control Board . . . . . . . . . . . . . . . . . . . . . . . . .
Table 5-15.
List of Tables
5-1
5-1
5-2
5-8
5-9
5-1
5-1
5-1
5-2
5-3
5-4
5-5
5-6
5-6
5-6
5-7
5-7
5-7
5-8
5-9

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